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Old 01-06-2010, 02:47 AM
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Biodiesel300TD Biodiesel300TD is offline
Join Date: Dec 2004
Location: Albany, OR
Posts: 4,845
I find that vac issues always get worse when it's cold, all the rubber shrinks and get brittle and creates more leaks. So I wouldn't be surprised if you have several leaks when it's that cold, and/or a vac pump thats getting weak. For a temporary fix you could try plugging the supply for door lock and climate control systems in the engine bay and see if that helps the braking and shut off. But testing with the mity vac to see if you pump is pulling enough vac is a good idea too.
'04 Jetta TDI Wagon
'82 300TD ~ Winnie ~ Sold
'77 300D ~ Sold
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